Safety ladder cage wall connecting piece device

Abstract

The utility model relates to a safety ladder cage wall connecting piece device which comprises a fixed end, a wall connecting rod piece and a pier column hoop piece, the fixed end is arranged at one end of the wall connecting rod piece, and the pier column hoop piece is arranged at the other end of the wall connecting rod piece. Wherein one side rod body, corresponding to the pier column hoop piece, of the wall connecting rod piece is locally provided with a toothed rod, the end of the toothed rod is provided with a counter-force rod, the pier column hoop piece comprises two hoops, the ends, corresponding to the toothed rod, of the two hoops are provided with hoop piece gears, the hoop piece gears are meshed with the toothed rod, and the counter-force rod is arranged on the counter-force rod. A fixing block is arranged between the two hoops, and the hoops and the fixing block are in running fit through a rotating shaft. The wall connecting piece has the advantages that the working length of the wall connecting piece can be adjusted; the structure is safe, and good self-locking performance is achieved; installation operation is simple, and the appearance attractiveness of the pier column is ensured; the device is suitable for cylindrical pier columns of various sizes, and can ensure that the pier columns can be meshed to ensure stability when the sizes are small.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge building technical field especially a safe ladder cage wall connecting device. BACKGROUND

[0002] With the rapid development of our country's economy, the development of road construction in our country also becomes extremely important, and road construction is paid more and more attention, and in the process of building roads, it is inevitable to build bridges, and most of the construction of bridges needs to build piers. In order to facilitate the operation of construction personnel and improve the safety factor, the safe ladder cage connected with the pier is usually matched in the process of bridge construction.

[0003] The connection mode of the existing safe ladder cage is mainly to install a positioning rod in the pier in advance, and the safe ladder cage is connected and fixed on the pier by welding or bolt connection with the positioning rod, wherein the positioning rod is completely fixed in the pier, and the connecting rod connected with the positioning rod cannot be moved, and the connection mode is not flexible. The existing also adopts the welding mode, but the operation is not convenient when installing and disassembling the safe ladder cage, the same point is welded many times, the material is easy to become brittle, and there is a safety hazard. In addition, the connection mode of the safe ladder cage also adopts bolt fixing, and the threaded part of the positioning rod needs to be stretched out, and the stretched part needs to be cut off if it is retained on the pier after construction, which increases the workload. In addition, the length of the ladder cage wall connecting piece cannot change according to the distance between the road bridge pier column and the safe ladder cage. SUMMARY

[0004] The utility model aims at providing a safe ladder cage wall connecting device according to the deficiency of the prior art, which improves the connection quality between the pier column and the safe ladder cage by the self-locking pier column hoop structure and the wall connecting piece with adjustable working length, and is beneficial to construction.

[0005] The utility model realizes the following technical scheme:

[0006] A safe ladder cage wall connecting device, characterized by comprising a fixed end, a wall connecting rod and a pier column hoop, wherein the fixed end is arranged at one end of the wall connecting rod, and the pier column hoop is arranged at the other end of the wall connecting rod; wherein the wall connecting rod is provided with a toothed rod on one side of the pier column hoop and is provided with a counterforce rod at the end thereof, the pier column hoop comprises two hoops, the hoops are provided with a hoop gear at one end corresponding to the toothed rod, the hoop gears are meshed with the toothed rod respectively, and the hoops are provided with a fixed block between the hoops and are rotatably connected with the fixed block through a rotating shaft.

[0007] The fixing end is detachably connected with the wall connecting rod through a fixing bolt penetrating into the positioning hole.

[0008] The wall connecting rod is arranged with multiple groups of positioning holes along the length direction of the rod body, and the fixing end is adjusted in position on the wall connecting rod by being fixed in different positioning hole positions.

[0009] The fixing end comprises a fixing U-shaped piece and a fixing U-shaped groove, the fixing U-shaped piece is arranged on the upper and lower sides of the fixing U-shaped groove respectively, and the fixing U-shaped piece and the fixing U-shaped groove enclose an installation space matched with the vertical rod of the ladder cage frame.

[0010] The other end of the two hoops is provided with matched claw structures.

[0011] The end of the wall connecting rod is provided with a sleeve and an adjusting handle, the corresponding side end of the counterforce rod is provided with an adjusting screw rod, the adjusting handle is nested on the adjusting screw rod, and the adjusting screw rod is connected with the sleeve and the length is adjusted through the adjusting handle.

[0012] The counterforce rod comprises a top support and a rubber sheet, and the rubber sheet is arranged on the outer side of the top support.

[0013] The advantages of the utility model are:

[0014] 1) the working length of the wall connecting piece can be adjusted, and the problem that the length of the wall connecting piece cannot be changed due to the distance change between the pier column and the safety ladder cage is solved;

[0015] 2) the structure is safe and has good self-locking performance, when the ladder cage has a tendency to tilt outward, the pier column hoop structure will automatically tighten to realize self-locking;

[0016] 3) the installation operation is simple, the traditional welding and bolt connection are avoided, the damage of the pier column structure caused by the operation such as the embedded steel bar is avoided, and the appearance is beautiful;

[0017] 4) the utility model is suitable for cylindrical pier columns of various sizes, the claw structure at the end of the pier column hoop ensures that the stability can be ensured when the size of the pier column is small. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a structural schematic view of the utility model;

[0019] Fig. 2 It is a structural schematic view of the utility model;

[0020] Fig. 3 It is a structural schematic view of the utility model. DETAILED DESCRIPTION

[0021] The features and other related features of the present application are further described in detail below with reference to the accompanying drawings, so as to facilitate the understanding of the skilled in the art:

[0022] As shown in Figs. 1-3 , the labels 1-18 in the figure represent: fixed end 1, wall connecting rod 2, pier column hoop 3, tooth claw 4, counterforce rod 5, positioning hole 6, hoop gear 7, fixed block 8, rotating shaft 9, tooth rod 10, sleeve 11, adjusting handle 12, adjusting screw 13, top support 14, rubber sheet 15, fixed U piece 16, fixed U groove 17, fixed bolt 18.

[0023] Embodiment: as shown in Figs. 1 to 3 , the wall connecting device of the safety ladder cage in the present embodiment is used to realize the connection between the safety ladder cage and the pier column, and ensure the connection quality between the two.

[0024] As shown in Figs. 1 to 3 , the wall connecting device of the safety ladder cage in the present embodiment includes a fixed end 1, a wall connecting rod 2 and a pier column hoop 3, wherein the fixed end 1 is arranged at one end of the wall connecting rod 2, and the fixed end 1 is used to connect with the safety ladder cage, and the pier column hoop 3 is arranged at the other end of the wall connecting rod 2, and the pier column hoop 3 is used to connect with the pier column, so as to realize the connection between the safety ladder cage and the pier column.

[0025] Specifically, in combination with Fig. 1 and Fig. 3 , the fixed end 1 in the present embodiment is composed of a fixed U piece 16, a fixed U groove 17 and a fixed bolt 18. Among them, the positioning hole 6 is arranged at one end of the wall connecting rod 2, the connecting hole matched with the positioning hole 6 is opened on the fixed U groove 17, and the connecting hole on the fixed U groove 17 is connected with the wall connecting rod 2 through the fixed bolt 18, so as to realize the connection and fixation between the fixed end 1 and the wall connecting rod 2. The fixed U piece 16 is arranged on the upper and lower sides of the fixed U groove 17 respectively, and the two fixed U pieces 16 and the fixed U groove 17 cooperatively enclose an installation space matched with the frame vertical rod of the safety ladder cage, and further realize the fixed connection between the fixed end 1 and the safety ladder cage through various connecting members.

[0026] In the present embodiment, a plurality of groups of positioning holes 6 are uniformly arranged at the end of the wall connecting rod 2 along the length direction of the rod body, and by installing the fixed end 1 at the positioning holes 6 at different positions, the effective working length of the wall connecting rod 2 can be adjusted, so as to solve the problem that the length of the wall connecting device cannot be changed due to the distance change between the pier column and the safety ladder cage.

[0027] In combination with Fig. 1 and Fig. 2 , the wall connecting device of the safety ladder cage in the present embodiment includes a fixed end 1, a wall connecting rod 2 and a pier column hoop 3, wherein the fixed end 1 is arranged at one end of the wall connecting rod 2, and the fixed end 1 is used to connect with the safety ladder cage, and the pier column hoop 3 is arranged at the other end of the wall connecting rod 2, and the pier column hoop 3 is used to connect with the pier column, so as to realize the connection between the safety ladder cage and the pier column.As shown, the wall connecting rod 2 corresponds to one side of the pier hoop 3, and the rod body is partially provided with a toothed rod 10 and the end is provided with a counterforce rod 5. The pier hoop 3 includes two hoops, and the shapes and sizes of the two hoops match the pier to be connected. The two hoops are provided with a hoop gear 7 at one end corresponding to the toothed rod 10, and the hoop gears 7 on both sides are respectively engaged with the toothed rod 10. The two hoops are provided with a fixed block 8, and the hoop and the fixed block 8 are rotatably connected through a rotating shaft 9. The other end of the two hoops is provided with a matching claw 4 to ensure the stability of the engagement of the hoop when the size of the pier is small.

[0028] The end of the wall connecting rod 2 is provided with a sleeve 11 and an adjusting handle 12, which are not connected, and the inside of the adjusting handle 12 is threaded and cut on the adjusting screw 13. The adjusting screw 13 is provided on the corresponding side end of the counterforce rod 5, and is connected with the sleeve 11 and adjusted by the adjusting handle 12 to adjust the length of the adjusting screw 11 extending out of the sleeve 11, so as to adjust the position of the counterforce rod 5, and ensure that the counterforce rod 5 can be attached to the pier.

[0029] In this embodiment, the counterforce rod 5 includes a top support 14 and a rubber sheet 15 arranged outside the top support 14 to play a buffering role.

[0030] In use, the wall connecting rod 2 is selected to have a proper working length, and the fixed end 1 is connected with the safety ladder cage. The wall connecting rod 2 drives the opening and closing of the two hoops of the pier hoop 3 through the toothed rod 10, so that the two hoops can be clamped around the pier. Since the end of the wall connecting rod 2 is fixed with the counterforce rod 5, when the counterforce rod 5 acts on the pier, if the safety ladder cage tends to tilt outward, the pier hoop 3 will automatically tighten and achieve self-locking to avoid the safety ladder cage from continuing to tilt outward, thereby improving the connection performance between the safety ladder cage and the pier and further improving the construction safety.

[0031] Although the above embodiments have been described in detail with reference to the accompanying drawings for the purpose of illustrating the inventive concept and embodiments of the present application, those skilled in the art can recognize that various improvements and changes can be made to the present application without departing from the scope defined by the claims, and therefore, detailed description is not repeated here.

Claims

1. A safety cage wall attachment device, characterized by: The utility model provides a wall connecting rod and pier column hoop joint structure, including fixed end, wall connecting rod and pier column hoop, wherein the fixed end is arranged in one end of the wall connecting rod, and the pier column hoop is arranged in the other end of the wall connecting rod, wherein the wall connecting rod is partially arranged as a toothed rod on one side rod body of the pier column hoop, and the end of the wall connecting rod is provided with a counterforce rod, the pier column hoop includes two hoops, the hoops are provided with hoop gears corresponding to one end of the toothed rod, the hoop gears are respectively engaged with the toothed rod, and the hoops are provided with a fixed block between the hoops, and the hoops and the fixed block are rotationally connected through a rotating shaft.

2. A safety cage wall attachment device according to claim 1, wherein: One end of the wall connecting rod is provided with a positioning hole, and the fixed end is detachably connected with the wall connecting rod through a fixing bolt penetrating the positioning hole.

3. A safety cage wall attachment device according to claim 2, wherein: The wall connecting rod is provided with a plurality of groups of positioning holes along the length direction of the rod body, and the fixed end is adjusted in position on the wall connecting rod by being fixed in different positioning hole positions.

4. A safety cage wall attachment device according to claim 1 or 2, wherein: The fixed end includes a fixed U-shaped piece and a fixed U-shaped groove, and the upper and lower sides of the fixed U-shaped groove are respectively provided with the fixed U-shaped pieces, and the fixed U-shaped pieces and the fixed U-shaped groove form an installation space matched with the vertical rod of the ladder cage frame.

5. A safety cage wall attachment device according to claim 1, wherein: The other end of the two hoops is provided with a matched claw structure.

6. A safety cage wall attachment device according to claim 1, wherein: The end of the wall connecting rod is provided with a sleeve and an adjusting handle, the corresponding side end of the counterforce rod is provided with an adjusting screw, the adjusting handle is nested on the adjusting screw, the adjusting screw is connected with the sleeve, and the length of the adjusting screw is adjusted through the adjusting handle.

7. A safety cage wall attachment device according to claim 1 or 6 wherein: The counterforce rod includes a top support and a rubber sheet, and the rubber sheet is arranged on the outside of the top support.

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